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([94.73.34.87]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43d18a2aab1sm27172625e9.31.2025.03.13.10.33.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Mar 2025 10:33:53 -0700 (PDT) From: =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= To: igt-dev@lists.freedesktop.org Cc: louis.chauvet@bootlin.com, =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= Subject: [PATCH i-g-t v2 32/43] tests/vkms_configfs: Test enabling a device with too many CRTCs Date: Thu, 13 Mar 2025 18:33:07 +0100 Message-ID: <20250313173318.5818-33-jose.exposito89@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250313173318.5818-1-jose.exposito89@gmail.com> References: <20250313173318.5818-1-jose.exposito89@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Try to enable a VKMS device with too many CRTCs and test that it fails. Reviewed-by: Louis Chauvet Signed-off-by: José Expósito --- tests/vkms/vkms_configfs.c | 54 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/tests/vkms/vkms_configfs.c b/tests/vkms/vkms_configfs.c index 22459a547..be856876b 100644 --- a/tests/vkms/vkms_configfs.c +++ b/tests/vkms/vkms_configfs.c @@ -1163,6 +1163,59 @@ static void test_enable_no_crtcs(void) igt_vkms_device_destroy(dev); } +/** + * SUBTEST: enable-too-many-crtcs + * Description: Try to enable a VKMS device with too many CRTCs and test that it + * fails. + */ + +static void test_enable_too_many_crtcs(void) +{ + igt_vkms_t *dev; + char crtc_names[VKMS_MAX_PIPELINE_ITEMS][7]; + int ret; + + igt_vkms_config_t cfg = { + .device_name = __func__, + .planes = { + { + .name = "plane0", + .type = DRM_PLANE_TYPE_PRIMARY, + .possible_crtcs = { "crtc0" }, + }, + }, + .crtcs = {}, + .encoders = { + { .name = "encoder0", .possible_crtcs = { "crtc0" } }, + }, + .connectors = { + { + .name = "connector0", + .possible_encoders = { "encoder0" }, + }, + }, + }; + + for (int n = 0; n < 32; n++) { + ret = snprintf(crtc_names[n], sizeof(crtc_names[n]), + "crtc%d", n); + igt_assert(ret >= 0 && ret < sizeof(crtc_names[n])); + + cfg.crtcs[n] = (igt_vkms_crtc_config_t){ + .name = crtc_names[n], + }; + } + + dev = igt_vkms_device_create_from_config(&cfg); + igt_assert(dev); + + igt_vkms_device_set_enabled(dev, true); + igt_assert(!igt_vkms_device_is_enabled(dev)); + igt_assert(!device_exists(__func__)); + + igt_vkms_device_destroy(dev); +} + igt_main { struct { @@ -1196,6 +1249,7 @@ igt_main { "enable-multiple-cursor-planes", test_enable_multiple_cursor_planes }, { "enable-plane-no-crtcs", test_enable_plane_no_crtcs }, { "enable-no-crtcs", test_enable_no_crtcs }, + { "enable-too-many-crtcs", test_enable_too_many_crtcs }, }; igt_fixture { -- 2.48.1